Improved Replacement Ignition for the 1985 Suzuki GS700 CDI Ignition unit. This unit will replace OE #(s): 32900-31310 , 32900-49420, 32900-31318 Nippon Denso 131100-3580 , 1311003580, 131100-3581 or 1311003581 please confirm this is the number on your factory unit prior to ordering. The new improved unit is the the orange unit which plugs right into the factory harness. This unit has some improvements over the stock unit: The unit is protected against overvoltage from a bad regulator rectifier, battery, ignition coils and reversing the battery connections There will be a smoother acceleration when revving the up the engine This is a digital unit which is more accurate which is not affected by temperature changes It has an optimized performance curve which should give you more power and improved performance and better handling. When the battery voltage changes this ignition unit will change the control to the ignition coil(s) so the spark power will stay the same. Your motorcycle should be easier to start. 3 year exchange Warranty